7428953 has 4 divisors (see below), whose sum is σ = 8490240. Its totient is φ = 6367668.

The previous prime is 7428937. The next prime is 7428997. The reversal of 7428953 is 3598247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3598247 = 619 ⋅5813.

It is a cyclic number.

It is not a de Polignac number, because 7428953 - 2⁴ = 7428937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530633 + ... + 530646.

It is an arithmetic number, because the mean of its divisors is an integer number (2122560).

Almost surely, 2^7428953 is an apocalyptic number.

It is an amenable number.

7428953 is a deficient number, since it is larger than the sum of its proper divisors (1061287).

7428953 is a wasteful number, since it uses less digits than its factorization.

7428953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061286.

The product of its digits is 60480, while the sum is 38.

The square root of 7428953 is about 2725.6105737981. The cubic root of 7428953 is about 195.1233320168.

The spelling of 7428953 in words is "seven million, four hundred twenty-eight thousand, nine hundred fifty-three".